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[v3,3/9] merge-ort: add pool_alloc, pool_calloc, and pool_strndup wrappers

Message ID 2c0b90eaba5bbf03553c8ac2487b57b66a6ed18e.1627645664.git.gitgitgadget@gmail.com (mailing list archive)
State New
Headers show
Series Final optimization batch (#15): use memory pools | expand

Commit Message

Elijah Newren July 30, 2021, 11:47 a.m. UTC
From: Elijah Newren <newren@gmail.com>

Make the code more flexible so that it can handle both being run with or
without a memory pool by adding utility functions which will either call
    xmalloc, xcalloc, xstrndup
    mem_pool_alloc, mem_pool_calloc, mem_pool_strndup
depending on whether we have a non-NULL memory pool.  A subsequent
commit will make use of these.

(We will actually be dropping these functions soon and just assuming we
always have a memory pool, but the flexibility was very useful during
development of merge-ort so I want to be able to restore it if needed.)

Signed-off-by: Elijah Newren <newren@gmail.com>
 merge-ort.c | 24 ++++++++++++++++++++++++
 1 file changed, 24 insertions(+)
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diff --git a/merge-ort.c b/merge-ort.c
index 401a40247a3..63f67246d3d 100644
--- a/merge-ort.c
+++ b/merge-ort.c
@@ -664,6 +664,30 @@  static void path_msg(struct merge_options *opt,
 	strbuf_addch(sb, '\n');
+static void *pool_calloc(struct mem_pool *pool, size_t count, size_t size)
+	if (!pool)
+		return xcalloc(count, size);
+	return mem_pool_calloc(pool, count, size);
+static void *pool_alloc(struct mem_pool *pool, size_t size)
+	if (!pool)
+		return xmalloc(size);
+	return mem_pool_alloc(pool, size);
+static void *pool_strndup(struct mem_pool *pool, const char *str, size_t len)
+	if (!pool)
+		return xstrndup(str, len);
+	return mem_pool_strndup(pool, str, len);
 /* add a string to a strbuf, but converting "/" to "_" */
 static void add_flattened_path(struct strbuf *out, const char *s)